139756-31-3 (5-(5-氯磺酰基-2-乙氧基苯基)-3-丙基-1,6-二氢 -7h-吡唑并[4,3-d]嘧啶-7-酮,5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo4,3-dpyrimidin-7-one)

5-(5-氯磺酰基-2-乙氧基苯基)-3-丙基-1,6-二氢 -7h-吡唑并[4,3-d]嘧啶-7-酮;

5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro -7H-pyrazolo[4,3-d]pyrimidin-7-one;4-ethoxy-3-(7-oxo-3-propyl-2,4-dihydropyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride;5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro -7H-pyrazolo[4,3-d]pyrimidin-7-one;3-(6,7-Dihydro-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonyl Chloride;Des-4-methylpiperazine Desmethylsildenafil Chloride;